245466664 has 16 divisors (see below), whose sum is σ = 462637620. Its totient is φ = 122096640.

The previous prime is 245466659. The next prime is 245466673. The reversal of 245466664 is 466664542.

It can be written as a sum of positive squares in 2 ways, for example, as 231344100 + 14122564 = 15210^2 + 3758^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245466664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77947 + ... + 81034.

Almost surely, 2^245466664 is an apocalyptic number.

It is an amenable number.

245466664 is a deficient number, since it is larger than the sum of its proper divisors (217170956).

245466664 is a wasteful number, since it uses less digits than its factorization.

245466664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159180 (or 159176 counting only the distinct ones).

The product of its digits is 829440, while the sum is 43.

The square root of 245466664 is about 15667.3757853701. The cubic root of 245466664 is about 626.1295107790.

The spelling of 245466664 in words is "two hundred forty-five million, four hundred sixty-six thousand, six hundred sixty-four".